main.cpp
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#include <stdlib.h>
#include "ps.h"
int ReadSourceStream(const char* infile, char **frame_data, int *frame_size)
{
static FILE *fp = NULL;
if (fp == NULL)
{
// fp = fopen("es_stream.h264", "rb");
fp = fopen(infile, "rb");
if (fp == NULL)
{
printf("open file es_stream.h264 error\n");
return -1;
}
}
//文件格式为：
// 1 2 3 4 n
//|----|----|----|----|---------
//| 帧长度 | 数据
do {
if (4 != fread(frame_size, 1, 4, fp))
break;
*frame_data = (char*)malloc(*frame_size);
if (*frame_size != fread(*frame_data, 1, *frame_size, fp))
break;
return 0;
} while (0);
printf("read file es_stream.h264 eof\n");
fclose(fp);
fp = NULL;
return -2;
}
int KeyFrame(uint8_t nalu)
{
int nalType = nalu & 0x1f;
if (nalType == 0x07 || nalType == 0x05 || nalType == 0x08)
return 1;
return 0;
}
int main0()
{
const char* infile = "/mnt/f/fiss/test_data/test.h264";
char *frame_data;
int frame_size, ps_size;
uint32_t ts = 0;
FILE *fp = fopen("test.ps", "wb");
while (0 == ReadSourceStream(infile, &frame_data, &frame_size))
{
// 文件中只有h264视频，第4个参数固定填1，音频为2
ps_size = TransPSFrame(frame_data, frame_size, KeyFrame((uint8_t)frame_data[4]), 1, ts);
fwrite(PSFrameBuffer, 1, ps_size, fp);
ts += 3600;
free(frame_data);
}
fclose(fp);
// getchar();
return 0;
}